| Circleville to Cortona | 4,637.15 mi (7,462.76 km) |
| Circleville to Cosenza | 4,976.31 mi (8,008.59 km) |
| Circleville to Cossato | 4,393.31 mi (7,070.34 km) |
| Circleville to Costa Volpino | 4,463.70 mi (7,183.63 km) |
| Circleville to Creazzo | 4,531.23 mi (7,292.31 km) |
| Circleville to Crema | 4,463.36 mi (7,183.08 km) |
| Circleville to Cremona | 4,486.32 mi (7,220.03 km) |
| Circleville to Crevalcore | 4,547.88 mi (7,319.11 km) |
| Circleville to Crispiano | 4,963.88 mi (7,988.60 km) |
| Circleville to Crosia | 4,987.24 mi (8,026.19 km) |
| Circleville to Crotone | 5,022.34 mi (8,082.68 km) |
| Circleville to Cuneo | 4,409.22 mi (7,095.96 km) |
| Circleville to Cuorgne | 4,377.97 mi (7,045.65 km) |
| Circleville to Cusano Milanino | 4,436.08 mi (7,139.18 km) |
| Circleville to Cutro | 5,018.74 mi (8,076.88 km) |
